Ted ed

Trace the history of ice cream, from the first accounts of cold desserts in the 1st century to the cream-based treat we know today.

Dig into the science of soy, and discover what makes soybeans such versatile plants and whether it's healthy for you and the ...

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Dig into how rice became a staple in the world's diet, and the surprising consequences of its traditional production practices.

Dig into the benefits of practicing gratitude in your everyday life, and discover how being thankful can impact your happiness.

Trace the history of coffee, from its first known origins to its rise in popularity due to trade routes and cultivation. One day around ...

At what age are you smartest? Dig into how your brain development affects your skills at different stages of your life. Tomorrow ...

Explore the possibilities and challenges of what a vegetarian world could look like if we all immediately stopped eating meat.

Discover where our perception of what is normal comes from, and how it impacts the decisions we make. The word “normal” is ...

Dive into the ocean's depths to see how the gigantic megalodon ruled the seas, and find out what caused its extinction.

Explore the evolution of English spelling conventions throughout history, and find out why it's such an inconsistent language.

The human brain is one of the most sophisticated organs in the world, a supercomputer made of billions of neurons that control all ...

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Taking that internship in a remote mountain lab might not have been the best idea. Pulling that lever with the skull symbol just to ...

Before empires and royalty, before pottery and writing, before metal tools and weapons - there was cheese. As early as 8000 ...

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Explore what makes trees a vital part of cities, and how urban spaces throughout history have embraced the importance of trees.

Practice more problem-solving at brilliant.org/TedEd You've spent months creating a basketball-playing robot, the ...

Explore the extraordinary auditory adaptations in the animal kingdom, and find out which creature has the best hearing.

Explore the life and works of Rumi, who became one of the world's most celebrated poets and mystical philosophers. According ...

Human beings and computers alike share the challenge of how to get as much done as possible in a limited time. Over the last ...

What could our future world look like if we continue to do nothing about climate change? Take a look at the possibilities. While ...

Dig into political philosopher John Rawls' classic thought experiment about what principles we need to design a fair society.

Explore the common scientific theories about why humans laugh, and how this universal behavior evolved. Isn't it odd that, ...

Trace the history of ketchup, from the condiment's origins in 3rd century China to becoming a staple of American cuisine. In the ...

Examine the myth of the benevolent dictator, which is a leader who holds absolute power yet only uses it for the common good.

Explore the psychology of intrinsic and extrinsic motivation, and dig into how these forces contribute to our drive. Motivation is ...

We hear anywhere from 10 to 200 lies a day. And although we've spent much of our history coming up with ways to detect these ...

Discover the phenomenon known as asymmetrical sleep, where parts of an animal's brain are asleep while other areas remain ...

A few years ago, the king decided your life would be forfeit unless you tripled the gold coins in his treasury. Fortunately ...

Can geography save your life in case of, say, a zombie apocalypse? Understanding the push and pull factors that create ...

Dig into the science of how heat pumps both heat and cool a home, and find out the benefits and drawbacks of this technology.

A mathematician with a knife and ball begins slicing and distributing the ball into an infinite number of boxes. She then ...

Dig into the monetary value of the ocean, from global trade, to tourism, fishing, and more, as Poseidon contemplates selling it.

Examine the ethical stance known as longtermism, which is the idea that we should be doing more to protect future generations.

Uncover the history of the ancient underground cities beneath Cappadocia, which were built during the Byzantine Empire.